/Engine/Source/Runtime/SignalProcessing/Public/DSP/LateReflectionsFast.h
InMaxNumInternalBufferSamples sets the mmaximum number of samples in an internal buffer.
FLateReflectionsPlate ( float InSampleRate, int32 InMaxNumInternalBufferSamples, const [FLateReflectionsPlateDelays](API\Runtime\SignalProcessing\DSP\FLateReflectionsPlateDelays) & InDelays )